#app,
body,
html {
    height: 100%;
    width: 100%;
}

body {
    font-size: 12px;
}

a {
    text-decoration-line: none;
    cursor: pointer;
}

ul,
li {
    padding: 0;
    margin: 0;
    font-size: 12px;
}

.pull-left {
    float: left !important;
}

.pull-right {
    float: right!important;
}

.el-tree-node__label {
    font-size: 12px !important;
}